SCH322x LPC IOs Microchip Technology SCH322x LPC IOs are a product family that have 3.3V operation with an LPC interface that supports 19-33MHz. These IOs include hardware monitoring capabilities, enhanced security features, power control logic and motherboard Glue logic. The SCH322x are ACPI 1.0/2.0 compatible and support multiple low power-down modes. The IOs incorporate sophisticated power control circuitry (PCC) with support for keyboards.Learn More